Climate control not working

Tiny
PATREACE PARKER
  • MEMBER
  • 2016 CHEVROLET CRUZE
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 76,478 MILES
Heater fan stuck on high. No lights on climate control display. Started one morning, everything else works perfect.
Friday, October 18th, 2019 AT 9:10 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
Hello,

This sounds like it can be the climate control module or the fan controller. To be sure we need to do a CAN scan by following this video. You can get a CAN scanner on Amazon for about $60.00.

https://youtu.be/InIlnsjOVFA

I have included the air conditioner and blower motor wiring diagrams so you can see how the system works and how to replace the HVAC controller and blower motor. Check out the diagrams (below). Please let us know what you find. We are interested to see what it is.
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Saturday, October 19th, 2019 AT 3:12 PM

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